How fast are you moving right now? 1. Earths rotation translates into a speed of about 0.5 km/s 2. Earth moves at about 30 km/s in its orbit around the Sun. 3. Solar system is moving around the center of the galaxy at about 230 km/s For half of the year, the Earths motion around the sun is in the same direction as this motion about the center of the galaxy, but for the other half, it is in the opposite direction--that is, sometimes were moving upstream, and sometimes were moving downstream. 4. The Milky Way galaxy 4.1 the motion of the galaxy in the Local Group is about 40 km/s 4.2 the motion of the Local Group in an even bigger cluster, the Local Supercluster is about 600 km/s Adding everything up, we get: 30 km/s + 230 km/s + 40 km/s + 600 km/s = 900 km/s So, youre moving pretty fast as you lie in bed!
Posted on: Sun, 17 Aug 2014 18:45:50 +0000
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